Initial commit

x86 kernel that prints a hello world message to com1

1 files changed, 20 insertions, 0 deletions

diff --git a/arch/i686/test/gdt.c b/arch/i686/test/gdt.c
new file mode 100644
index 0000000..2947b42
--- /dev/null
+++ b/arch/i686/test/gdt.c
@@ -0,0 +1,20 @@
+#include "gdt.h"
+#include <assert.h>
+#include <stdlib.h>
+
+int
+main()
+{
+  assert(*(uint8_t *)&null_access == 0x00);
+  assert(*(uint8_t *)&ktext_access == 0x9a);
+  assert(*(uint8_t *)&kdata_access == 0x92);
+
+  struct SegmentDescriptor_t d;
+  SegmentDescriptor(&d, 0, 0, 0);
+  assert(*(uint64_t *)&d == 0);
+
+  assert(ktextDescriptor == 0x10);
+  assert(kdataDescriptor == 0x18);
+
+  return EXIT_SUCCESS;
+}